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mr Goodwill [35]
3 years ago
8

How can the design of a building such as a concert hall reduce unwanted noises and echoes

Biology
1 answer:
sertanlavr [38]3 years ago
6 0
By fixing on curtain to absorb the sound
place cushion chairs
egg boxes
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When tectonic plates are colliding, what is the geological event that will NOT occur at a convergent boundary?
liberstina [14]
Answer:
Rift Valley

Explanation:
This happens when the plates pull apart. They don’t collide and are not any form of mountains.
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2 years ago
What does this mean? m or f
netineya [11]
Most of the time m (M) means male and f (F) means female.
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3 years ago
Protists that play an important role in aquatic food webs are called
Sergeu [11.5K]
Plant like Protists - also called algae - autotrophs 
<span>Fungus like Protists - heterotrophs, decomposers, external digestion </span>

<span>From the above their role in the aquatic food chain is clear . </span>

<span>They perform their role as </span>
<span>1) producers = example = Plant like Protists - also called algae - autotrophs </span>

<span>2 ) consumers = example =Animal like Protists - also called protozoa (means "first animal") - heterotrophs </span>
<span>and </span>
<span>3) Decomosers = example ==Fungus like Protists - heterotrophs, decomposers, external digestion

</span>
3 0
3 years ago
A researcher would like to determine the effect of caffeine on memory. Participants are randomly assigned to receive a caffeine
zhuklara [117]

Answer:

The placebo effect

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The placebo effect in psychology refers to a situation in which participants in a research receive beneficial effects due to the administration of an inactive substance or a sham treatment. The positive beneficial effect received can then be attributed purely to believe and not to the treatment itself. A placebo treatment could produce a real healing effect like a true medical or psychological treatment.

The participants who received the sugar believed it to be a memory enhancing treatment hence the slight increase in memory capacity due to placebo effect.

5 0
3 years ago
Read 2 more answers
What types of organisms have ligaments?
Pavel [41]

almost any living organisms like animals and humans. Im not so sure about plants though. happy studying! :)

6 0
3 years ago
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